Photochemistry of benzocyclobutene

✍ Scribed by N.J Turro; Z Zhang; W.S Trahanovsky; C.-H Chou

• Book ID: 104220045
• Publisher: Elsevier Science
• Year: 1988
• Tongue: French
• Weight: 205 KB
• Volume: 29
• Category: Article
• ISSN: 0040-4039
• DOI: 10.1016/s0040-4039(00)86107-9

✦ Synopsis

Photolysis of bensocyclobutene

(1) in pentane solution at 254 nm yields l,l-dihydropentalene

(2) and 1,5-dihydropentalene (3) as the major isomeric products; formation of 2 and 3 ys consistent with a --"prebenzvalene" -carbene rearrangement mechanism.